ImageMagick.MagickSettings.RemoveDefine C# (CSharp) Метод

    public void RemoveDefine(MagickFormat format, string name)
    {
      Throw.IfNullOrEmpty(nameof(name), name);

      string key = ParseDefine(format, name);
      if (_Options.ContainsKey(key))
        _Options.Remove(key);
    }

        private void ExecuteRemoveDefine(XmlElement element, MagickSettings settings)
        {
            Hashtable arguments = new Hashtable();

            foreach (XmlAttribute attribute in element.Attributes)
            {
                if (attribute.Name == "format")
                {
                    arguments["format"] = Variables.GetValue <MagickFormat>(attribute);
                }
                else if (attribute.Name == "name")
                {
                    arguments["name"] = Variables.GetValue <String>(attribute);
                }
            }
            if (OnlyContains(arguments, "format", "name"))
            {
                settings.RemoveDefine((MagickFormat)arguments["format"], (String)arguments["name"]);
            }
            else if (OnlyContains(arguments, "name"))
            {
                settings.RemoveDefine((String)arguments["name"]);
            }
            else
            {
                throw new ArgumentException("Invalid argument combination for 'removeDefine', allowed combinations are: [format, name] [name]");
            }
        }